Four-leg four-edge stable type anti-rollover folding bed

Abstract

The utility model relates to the field of folding beds, and discloses a fourteen-foot four-side stable type anti-rollover folding bed which comprises a foldable support, the support comprises two folding cross rods (1) arranged in parallel and four side cross rods (2) connected with the two ends of the folding cross rods (1), and the folding cross rods (1) and the side cross rods (2) are supported through a ten-foot folding frame. Each side cross rod (2) is connected with a first connecting piece (3), and each first connecting piece (3) is connected with a side supporting leg (4), so that a fourteen-foot four-edge stable supporting structure is formed; according to the folding bed, under the condition that the lengths of the cross rods at the two ends are not changed, the tipping problem of a user in the folding bed using process is solved.

Description

Technical Field

[0001] The utility model relates to the field of folding beds, in particular to a folding bed with fourteen legs and four sides that is stable and can prevent rollover. Background Art

[0002] There are many types of folding beds, which are mostly used in outdoor rest, office lunch break and other places. At present, there are mainly eight-legged folding beds and ten-legged folding beds. The eight-legged folding bed (such as the Chinese utility model patent with application number 202320187938.3) has four sets of supporting legs to form eight legs, which is stable, has stronger load-bearing capacity, and is easy to fold; but after folding, it is larger than the ten-legged folding bed.

[0003] Ten-legged folding beds (such as the Chinese utility model patent application number 201220307728.5) have five sets of cross-supporting legs to form ten legs, but the four crossbars at the head and foot of the bed are much longer than the head and foot connectors, which can easily cause the bottom structure to be suspended in the air, and there is a certain possibility of tipping over when the user uses it. If the length of the two crossbars is reduced, the length of the entire bed will not meet the requirements of conventional use. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a fourteen-legged four-side stable anti-rollover folding bed, which solves the tipping problem when the user is using the folding bed without changing the length of the cross bars at both ends.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A fourteen-leg four-side stable anti-rollover folding bed comprises a foldable bracket, wherein the bracket comprises two folding cross bars arranged parallel to each other and four side cross bars connected to the two ends of the folding cross bars, the folding cross bars and the side cross bars are supported by a ten-leg folding frame, each side cross bar is connected to a first connecting piece, and the first connecting piece is connected to a side supporting leg, so as to form a fourteen-leg four-side stable supporting structure.

[0007] Preferably, the first connecting member includes a cross bar portion and a vertical bar portion connected to the cross bar portion to form a seven-shaped portion, the cross bar portion is provided with a through slot, the cross bar portion is rotatably connected to the side cross bars so that when the folding bed is unfolded, the side cross bars are placed in the through slots; and when the folding bed is folded, the side cross bars are separated from the through slots.

[0008] Preferably, an arc-shaped clip is provided on the inner wall of the through slot to enable the side cross bar to be clipped in and out.

[0009] Preferably, the vertical rod portion has a slot, and the side support legs are inserted into the slot.

[0010] Preferably, the end of the side supporting leg away from the first connecting piece is connected to a foot cover, the foot cover includes a foot cover seat and a sleeve connected to the foot cover seat and coaxial with the side supporting leg, the sleeve is inclined toward one side of the bed body, and when the folding bed is folded, the outer side of the foot cover is parallel to the side supporting leg to prevent the packaging from damaging the carton.

[0011] Preferably, the foot cover seat is elliptical in shape to increase the contact area between the foot cover seat and the ground; the bottom surface of the foot cover seat is a cross-shaped support to reduce the weight of the foot cover.

[0012] Preferably, the cross-legged folding frame includes a supporting vertical rod arranged at the connection between the folding cross rod and the side cross rod, and a cross rod rotatably connected to the middle part of the supporting vertical rod, two groups of cross rods located on the same side are connected by a second connecting piece, the upper end of the cross rod on one side is connected to the lower end of the cross rod on the other side by a connecting rod, and an arc-shaped iron sheet is provided in the middle of the connecting rod, and the iron sheet is fitted along the connecting rod and fixed by rivets.

[0013] Preferably, the supporting vertical rods on both sides are connected by a main pull rope, and the main pull rope is connected to the middle part of the cross support rod by an auxiliary pull rope.

[0014] Preferably, it also includes a bed surface arranged on the bracket, with cloth covers provided at the four corners of the back side of the bed surface, a plurality of connecting pieces provided at the long sides on both sides of the back side of the bed surface, and the folding cross bars and the side cross bars respectively passing through the connecting pieces.

[0015] Preferably, a plug is provided at one end of the side cross bar inserted into the cloth cover, the plug includes a hemispherical base and a plug-in portion, a groove is provided in the middle of the plug-in portion, and the hemispherical base reduces friction to prevent the side cross bar from damaging the cloth cover.

[0016] Preferably, a stuffed pillow is provided on the bed surface, and edge strips are provided around the bed surface.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The folding bed of the utility model forms a fourteen-leg four-side stable support structure through the cooperation of the side cross bars, the first connecting member and the side supporting legs, thereby solving the tipping problem when the user is using the folding bed without changing the length of the cross bars at both ends. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the structural schematic diagram of this folding bed.

[0020] Figure 2 This is a side view of the folding bed.

[0021] Figure 3 This is a bottom view of the folding bed.

[0022] Figure 4This is a schematic diagram of the structure of the bracket, cloth cover and connecting piece in this folding bed.

[0023] Figure 5 This is a schematic diagram of the structure of the folding bed when the bracket is in the unfolded state.

[0024] Figure 6 This is a structural schematic diagram of the folding bed when the bracket is in a folded state.

[0025] Figure 7 This is a structural diagram of the folding bed with ten folding frames in the unfolded state.

[0026] Figure 8 It is a structural schematic diagram of the side cross bars and side supporting legs in this folding bed.

[0027] Fig. 9 This is a schematic diagram of the structure of the first connecting member in the folding bed.

[0028] Fig.10 This is a cross-sectional view of the first connecting member in the folding bed.

[0029] Fig.11 This is a schematic diagram of the structure of the foot cover in this folding bed.

[0030] Fig.12 It is a cross-sectional view of the foot cover in this folding bed.

[0031] Fig.13 This is a schematic diagram of the split structure of the side crossbars and the plugs in this folding bed.

[0032] Fig.14 This is a cross-sectional view of the plug in this folding bed.

[0033] Fig.15 This is a schematic diagram of the split structure of the connecting rod and the iron sheet in this folding bed.

[0034] In the accompanying drawings: 1-folding cross bar, 2-side cross bar, 21-plug, 3-first connecting piece, 31-cross bar part, 311-through groove, 312-arc-shaped clamping strip, 32-vertical rod part, 321-slot, 4-side supporting legs, 5-foot covers, 51-foot cover seat, 52-sleeve, 6-supporting vertical rod, 7-cross support rod, 8-second connecting piece, 9-connecting rod, 91-iron sheet, 10-main pull rope, 11-auxiliary pull rope, 12-bed surface, 13-cloth cover, 14-connecting piece, 15-filled pillow, 16-edging strip. DETAILED DESCRIPTION

[0035] Embodiment 1: A preferred embodiment of the utility model provides a fourteen-legged four-sided stable anti-rollover folding bed, including a foldable bracket, wherein the bracket includes two folding cross bars 1 arranged parallel to each other and four side cross bars 2 connecting the two ends of the folding cross bars 1, the folding cross bars 1 and the side cross bars 2 are supported by a ten-legged folding frame, each side cross bar 2 is connected to a first connecting member 3, the first connecting member 3 is connected to a side supporting leg 4, forming a fourteen-legged four-sided stable support structure, which solves the tipping problem of the user when using the folding bed without changing the length of the two end cross bars.

[0036] The first connecting member 3 includes a crossbar portion 31 and a vertical bar portion 32 connected to the crossbar portion 31 to form a seven-shaped shape. The crossbar portion 31 is extended so that when the folding bed is folded, the side crossbar 2 and the side support leg 4 are just in a parallel state, so as not to affect the packaging volume. A through slot 311 is provided on the crossbar portion 31. The crossbar portion 31 is rotatably connected to the side crossbar 2 so that when the folding bed is unfolded, the side crossbar 2 is placed in the through slot 311; and when the folding bed is folded, the side crossbar 2 is separated from the through slot 311; the inner wall of the through slot 311 is provided with an arc-shaped clamping strip 312, and the arc-shaped clamping strip 312 has a certain toughness to clamp the side crossbar 2; the vertical bar portion 32 has a slot 321, and the side support leg 4 is a supporting round tube with a diameter of 16mm. The side support leg 4 is inserted into the slot 321 and connected to the first connecting member 3 by rivets.

[0037] The side cross bar 2 is a 15*15mm square tube, or a 16*16mm round tube. Corresponding to the shape of the side cross bar 2 , the through groove 311 is a square groove or an arc groove to facilitate the side cross bar 2 to be inserted into or slide out of the through groove 311 .

[0038] The end of the side supporting leg 4 away from the first connecting member 3 is connected with a foot cover 5, and the foot cover 5 includes a foot cover seat 51 and a sleeve 52 connected to the foot cover seat 51 and coaxial with the side supporting leg 4. The sleeve 52 is inclined to one side of the bed body. When the folding bed is folded, the outer side of the foot cover 5 is parallel to the side supporting leg 4 to prevent the packaging from damaging the carton; the foot cover seat 51 is elliptical to increase the contact area between the foot cover seat 51 and the ground; the bottom surface of the foot cover seat 51 is a cross-shaped support to reduce the weight of the foot cover 5.

[0039] Embodiment 2: A preferred embodiment of the utility model provides a fourteen-legged, four-sided stable anti-rollover folding bed, which differs from the above-mentioned embodiments only in that: the ten-legged folding frame includes a supporting vertical rod 6 arranged at the connection between the folding cross bar 1 and the side cross bar 2, and a cross support rod 7 rotatably connected to the middle part of the supporting vertical rod 6, two groups of cross support rods 7 located on the same side are connected by a second connecting member 8, the upper end of the cross support rod 7 on one side is connected to the lower end of the cross support rod 7 on the other side by a connecting rod 9, an arc-shaped iron sheet 91 is provided in the middle of the connecting rod 9, and the iron sheet 91 is fitted along the connecting rod 9 and fixed by rivets.

[0040] The supporting vertical rods 6 on both sides are connected by a main pull rope 10 , and the main pull rope 10 is connected to the middle of the cross support rod 7 by an auxiliary pull rope 11 .

[0041] Embodiment 3: A preferred embodiment of the utility model provides a fourteen-legged, four-sided stable anti-rollover folding bed, which differs from the above embodiments only in that: it also includes a bed surface 12 arranged on a bracket, cloth covers 13 are arranged at the four corners of the back side of the bed surface 12, a plurality of connecting pieces 14 are arranged on the long sides of the back side of the bed surface 12, the folding cross bar 1 and the side cross bar 2 are respectively inserted through the connecting pieces 14, the bed surface 12, the cloth cover 13 and the connecting pieces 14 are made of Oxford cloth; a stuffed pillow 15 is arranged on the bed surface 12, and the bed surface 12 is surrounded by edging strips 16.

[0042] The side cross bar 2 is inserted into one end of the cloth cover 13 and is provided with a plug 21. The plug 21 includes a hemispherical base and a plug-in portion. A groove is provided in the middle of the plug-in portion to increase the elasticity of the plug-in portion, thereby achieving an interference fit with the side cross bar 2. The hemispherical base reduces friction to prevent the side cross bar 2 from damaging the cloth cover 13.

[0043] The method of using the folding bed is as follows: the first step is to open the side support legs 4 in sequence in the folded state, and the extended seven-shaped first connecting members 3 are respectively inserted into the side cross bars 2; the second step is to open the bed surface 12 normally until the fourteen legs are flat on the ground. This is the normal use state, and the folding bed has an obvious stable anti-rollover effect.

[0044] When the folding bed needs to be folded: first fold it normally, and then press down the side support legs 4 in turn to the folded state (see Figure 6 )

Claims

1. A 14-legged, four-sided, anti-rollover folding bed, including a foldable frame, characterized in that: The support comprises two folding cross bars (1) arranged parallel to each other and four side cross bars (2) connected to the two ends of the folding cross bars (1); the folding cross bars (1) and the side cross bars (2) are supported by a ten-leg folding frame; each side cross bar (2) is connected to a first connecting member (3); the first connecting member (3) is connected to a side supporting leg (4), thereby forming a fourteen-leg four-side stable support structure.

2. The fourteen-leg four-side stable anti-rollover folding bed according to claim 1, characterized in that: The first connecting member (3) comprises a crossbar portion (31) and a vertical bar portion (32) connected to the crossbar portion (31) to form a seven-shaped vertical bar portion, the crossbar portion (31) being provided with a through slot (311), the crossbar portion (31) being rotatably connected to the side crossbar (2), so that when the folding bed is unfolded, the side crossbar (2) is placed in the through slot (311); and when the folding bed is folded, the side crossbar (2) is separated from the through slot (311).

3. The fourteen-leg four-side stable anti-rollover folding bed according to claim 2, characterized in that: The inner wall of the through slot (311) is provided with an arc-shaped clamping strip (312) to enable the side cross bar (2) to be clamped in and slid out; the vertical bar portion (32) is provided with a slot (321), and the side support leg (4) is inserted into the slot (321).

4. The fourteen-leg four-side stable anti-rollover folding bed according to claim 1, characterized in that: The end of the side support leg (4) away from the first connecting member (3) is connected to a foot cover (5), the foot cover (5) comprising a foot cover seat (51) and a sleeve (52) connected to the foot cover seat (51) and coaxial with the side support leg (4), the sleeve (52) being inclined toward one side of the bed body, and the outer side of the foot cover (5) is parallel to the side support leg (4) when the folding bed is folded, so as to prevent the packaging from damaging the carton.

5. The fourteen-leg four-side stable anti-rollover folding bed according to claim 4, characterized in that: The foot cover seat (51) is elliptical in shape to increase the contact area between the foot cover seat (51) and the ground; the bottom surface of the foot cover seat (51) is a cross-shaped support to reduce the weight of the foot cover (5).

6. The fourteen-leg four-side stable anti-rollover folding bed according to claim 1, characterized in that: The cross-legged folding frame comprises a supporting vertical rod (6) arranged at the connection between the folding cross rod (1) and the side cross rod (2), and a cross support rod (7) rotatably connected to the middle part of the supporting vertical rod (6); two groups of cross support rods (7) located on the same side are connected by a second connecting member (8); the upper end of the cross support rod (7) on one side is connected to the lower end of the cross support rod (7) on the other side by a connecting rod (9); an arc-shaped iron sheet (91) is provided in the middle part of the connecting rod (9); the iron sheet (91) is arranged along the connecting rod (9) and fixed by rivets.

7. The fourteen-leg four-side stable anti-rollover folding bed according to claim 6, characterized in that: The supporting vertical rods (6) on both sides are connected via a main pull rope (10), and the main pull rope (10) is connected to the middle of the cross support rod (7) via an auxiliary pull rope (11).

8. The fourteen-leg four-side stable anti-rollover folding bed according to claim 1, characterized in that: The invention also comprises a bed surface (12) arranged on the bracket, wherein cloth covers (13) are arranged at four corners of the back of the bed surface (12), a plurality of connecting pieces (14) are arranged on the long sides of both sides of the back of the bed surface (12), and the folding cross bar (1) and the side cross bar (2) are respectively inserted through the connecting pieces (14).

9. The fourteen-leg four-side stable anti-rollover folding bed according to claim 8, characterized in that: A plug (21) is provided at one end of the side cross bar (2) inserted into the cloth sleeve (13). The plug (21) comprises a hemispherical base and an inserting portion. A groove is provided in the middle of the inserting portion. The hemispherical base reduces friction to prevent the side cross bar (2) from damaging the cloth sleeve (13).

10. The fourteen-leg four-side stable anti-rollover folding bed according to claim 9, characterized in that: A stuffing pillow (15) is provided on the bed surface (12), and edge strips (16) are provided around the bed surface (12).

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